March 4, 1919 – The Communist International (Comintern) is founded.
March 4–5, 1919 – Kinmel Park Riots by troops of the Canadian Expeditionary Force awaiting repatriation at Kinmel Camp, Bodelwyddan, in North Wales. Five men are killed, 28 injured, and 25 convicted of mutiny.[7]
March 5, 1919 – A. Mitchell Palmer becomes United States Attorney General through recess appointment. https://en.wikipedia.org/wiki/1919
